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A parallel beam of light strikes a piece...

A parallel beam of light strikes a piece of transparent grass having cross section as shown in the figure below. Corrent shape of the emergent wave front will be (figures are schematic and not drawn to scale)

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A
Optical path length of ray (ii) is greater therefore correct (A)
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